This document discusses therapeutic diets. It defines therapeutic diets as planned diet modifications used to supplement medical or surgical treatment prescribed by doctors. The purposes of therapeutic diets are to regulate food intake, assist organ function, aid digestion, improve health conditions, and modify weight. Various types of therapeutic diets are described, including regular, liquid, soft, low-residue, diabetic, calorie-controlled, low-cholesterol, low-fat, low-sodium, high-protein, low-protein, and bland diets. The role of nurses in implementing therapeutic diets and ensuring nutritional care for malnourished patients is also outlined.